package com.csdj.server.config;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.csdj.server.pojo.MailConstants;
import com.csdj.server.pojo.MailLog;
import com.csdj.server.service.IMailLogService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @ClassName: RabbitMQConfig
 * @Author: ZouLi
 * @Description:
 * @Date: 2023/1/10 13:06
 **/
@Configuration
public class RabbitMQConfig {
    public static final org.slf4j.Logger Logger = LoggerFactory.getLogger(RabbitMQConfig.class);

    @Autowired
    private CachingConnectionFactory cachingConnectionFactory;

    @Autowired
    private IMailLogService mailLogServiceImpl;

    @Bean
    public Queue queue(){
        return new Queue(MailConstants.MAIL_QUEUE_NAME,true);
    }

    @Bean
    public Binding binding(){
        return BindingBuilder.bind(queue()).to(directExchange()).with(MailConstants.MAIL_ROUTING_NAME);
    }

    @Bean
    public DirectExchange directExchange(){
        return new DirectExchange(MailConstants.MAIL_EXCHANGE_NAME);
    }

    @Bean
    public RabbitTemplate rabbitTemplate(){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
        /**
         * 消息确认回调 确认消息是否送达
         * data: 消息唯一标识
         * ack: 确认结果
         * cause: 失败原因
         **/
        rabbitTemplate.setConfirmCallback((data, ack, cause) -> {
            String msgId = data.getId();
            if (ack){
                //消息确认成功
                Logger.info("{}=====>消息发送成功",msgId);
                // 更新数据库记录
                mailLogServiceImpl.update(new UpdateWrapper<MailLog>()
                        .set("status",1)
                        .eq("msgId",msgId));
            }else{
                Logger.info("{}=====>消息发送失败",msgId);
            }
        });

        /**
         * 消息失败回调，比如router不到queue时回调
         * msg:消息主题
         * repCode:响应码
         * repText:响应描述
         * exchange:交换机
         * routingKey:路由键
         */
        rabbitTemplate.setReturnCallback((msg,repCode,repText,exchange,routingKey)->{
            Logger.info("{}=====>消息发送到queue时失败",msg.getBody());
        });
        return rabbitTemplate;
    }
}
